Abstract
<b>The aim of the experiment was to research the productivity, slaughter qualities and broiler chicken meat quality using a probiotic feed supplement. The research objectives were solved experimentally using zootechnical and statistical research methods. It was found that the probiotics application in the feeding of broiler chickens increased live weight by 11.9%, the average daily gain was higher by 12.1%, absolute by 12.2% and reduced feed consumption per 1 kg increase by 8.9% compared with control. Additional consumption of probiotic feed supplement by broiler chickens increases the pre-slaughter live weight by 12.0%, the weight of ungutted carcass by 12.1%, semi-gutted carcass by 9.9% and gutted carcass by 13.3% relative to control. Consumption of probiotics by broilers increased the level of total moisture by 1.3% in the pectoral muscles, and hygro-moisture was higher by 0.2% in the thigh muscles; the amount of nitrogen was higher by 0.2% compared to the control group.
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